NTSB CAROL · Event
Event SEA07CA139
Registry · N935M
FAA Aircraft Registry record.
Make / Model
HUGHES 369D
TCDS
H3WE · MD HELICOPTERS INC (MDHI)
Engine
ALLISON 250-C20 SER (420 hp)
Seats / Engines
4 seats · 1 engine
Last airworthiness date
19990212
ADS-B equipped
Yes — Mode-S ACF94F
Registrant of record
ALAN AVIATION LLC
Source: FAA Aircraft Registry (releasable master file).
Aircraft involved
Probable cause & findings
The pilot's loss of helicopter control while maneuvering at low altitude, which resulted in a hard landing. The wind gusts were a contributing factor.
Factual narrative
The pilot stated that he intended to practice autorotations and hovering at the airport. Upon arriving at the airport practice area, he began 360-degree hovers. During one of the hovers, he lost control of the helicopter and it landed hard. Wind gusts were reported at the time of the accident which the pilot thought contributed to the loss of helicopter control. During the hard landing, the skids split and the tail boom was bent. The pilot reported no mechanical malfunctions. The pilot stated that he intended to practice autorotations and hovering at the airport. Upon arriving at the airport practice area, he began 360-degree hovers. During one of the hovers, he lost control of the helicopter and it landed hard. Wind gusts were reported at the time of the accident which the pilot thought contributed to the loss of helicopter control. During the hard landing, the skids split and the tail boom was bent. The pilot reported no mechanical malfunctions. Source: NTSB Aviation Accident Database (Pre-2008 Archive) Retrieved: 2026-02-12
Verbatim from NTSB's published report. Source file
NTSB_2007_SEA07CA139.txt.
Findings + structured fields enriched from FAA avall.mdb.
Full investigation docket on
data.ntsb.gov ↗.
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